网格布局管理器(3)

网格布局管理器

图2 应用网格布局管理器的布局效果

完整代码：

src\com\lzw\GridLayoutDemo.java完整代码

package com.lzw;

import java.awt.Container;

import java.awt.GridLayout;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.WindowConstants;

public class GridLayoutDemo extends JFrame {

private JButton[] buttons;

public GridLayoutDemo() {

setTitle("边界布局管理器实例");

setBounds(100, 100, 300, 200);

buttons=new JButton[9];

Container panel = getContentPane();

panel.setLayout(new GridLayout(0,3));

for(int i=0;i<9;i++){

buttons[i]=new JButton("按钮"+(i+1));

panel.add(buttons[i]);

}

setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); }

public static void main(String[] args) {

GridLayoutDemo demo = new GridLayoutDemo();

demo.setVisible(true);

}

}